21242727

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{937}}^1$

素因数の和:1183

約数の個数: 24

約数和(自身を含む): 33655440

約数和(自身を除く): 12412713

約数列:

[1, 3, 9, 11, 33, 99, 229, 687, 937, 2061, 2519, 2811, 7557, 8433, 10307, 22671, 30921, 92763, 214573, 643719, 1931157, 2360303, 7080909, 21242727]

約数ペア:

[(1, 21242727), (3, 7080909), (9, 2360303), (11, 1931157), (33, 643719), (99, 214573), (229, 92763), (687, 30921), (937, 22671), (2061, 10307), (2519, 8433), (2811, 7557)]